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> Maps and cluster analysis had been carried
post Sep 19, 2017, 01:12 AM
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The top quality of publications was assessed utilizing total citations, citations per article, and Hirshindex (h-index). These parameters were utilised to assessSweileh et al. Annals of Occupational and Environmental Medicine (2016) 28:Page 3 ofquality of publications by journals, nations, and institutions. Moreover to these parameters, impact element (IF) was made use of as an indicator of journal strength publishing articles on water related overall health problems. With regards to the h-index, it is actually obtained directly from Scopus. To get the h-index for authors, the data retrieved had to be limited to publications by every author and Scopus will calculate the total citations and h-index promptly as an inherent function in Scopus. Similarly, the h-index for a nation, institution, or possibly a journal is calculated by limiting information for the nation or institution or journal that we are enthusiastic about, the Scopus will do the citation evaluation and h-index straight. Regarding IF, it was obtained in the most recent Journal Citation Report published by Thompson Reuters. Poisson regression is often a kind of regression evaluation that may be made use of to test the significance of any associated term as a predictor of a count variable. Poison regression requires a dependent variable and 1 or a lot more independent variables as co-variate. Within the present study, annual worldwide publications on water related diseases was utilized as a dependent variable. Search phrases used as a single independent co-variate were selected based on the keyword list created by Scopus for the retrieved information.ResultsGeneral informationoccurrences), and cryptosporidiosis (82 occurrences). In cluster number two, the following terms have been most typical: USA (79 occurrences), EPA (77 occurrences), and fluoride (73 occurrences). Cluster number three contained the following key frequent terms: Arsenic (238 occurrences), cancer (112 occurrences), and cardiovascular (55 occurrences). In cluster number four, chlorine (62 occurrences), trihalomethane (43 occurrences), and asthma (27 occurrences) had been most frequent terms. Ultimately, cluster number five contained one term which was H. pylori (31 occurrences). Other terms encountered in every single cluster could be observed inside the density visualization map. Of certain note is the term Bangladesh, Taiwan, Nepal which had been seen in cluster number 3 together with arsenic. The term WHO was also noticed frequently in cluster quantity a single along with diarrhea and gastroenteritis. Applying Poisson loglinear regression and making use of the amount of articles with keyword "microbiology" as a predictor variable showed that the amount of articles on water microbiology is often a important (P 0.01) predictor of worldwide productivity of water related wellness publications (Table 1). The model showed that the worldwide productivity are going to be 1.059 instances higher for every additional short article published on water microbiology. In other words, there's a five.9 raise inside the number of publications for every single added report published on water microbiology.Journal, nation, author, and institutional productivityA total of 2267 publications was retrieved from Scopus working with the search query presented inside the methodology section. The total citations for retrieved publications was 38,219; an average of 16.82 citations per document. The h-index of retrieved data was 88.Maps and cluster evaluation have been carried out working with VOSviewer approach (Nees Jan van Eck and Ludo Waltman, Leiden University's Centre for Science and Technology Studies) [20].
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